An Idea Log
A succinct definition of a functional dependency, such as X->Y, is that whenever X assumes a certain value (say x), and for that value of X (x), Y assumes a certain value y, then in every subsequent retrievals of X, whenever X assumes the value x, Y should assume the value y. Thats it! Functional dependency is no more than that. It is a very simple mathematical idea. It is the job of the subsequent normal forms to reduce the dependency of non-key attributes on non-key attributes.
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Consider how time may have been invented. I am not referring from any theory of time book or the like. I am just stretching my thought process about must have happened. I am just going to scribble that down. And I am sure that you will begin to agree with me to a large extent, even if you don’t consider my account as an absolutely accurate history of time.
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Boredom can be blissful at times. It pushes you in solitude. And in solitude, great ideas can happen. A month ago I was sitting alone
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